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| author | Rajendra Nayak <rnayak@ti.com> | 2011-11-18 12:17:18 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-23 19:47:00 +0100 |
| commit | cef49102c1d6b1e7adcb3f8b706757e0731e955c (patch) | |
| tree | b0768529f9f01b44c10bcf1f6c431d708870a72a /Documentation/devicetree | |
| parent | regulator: helper routine to extract regulator_init_data (diff) | |
| download | linux-cef49102c1d6b1e7adcb3f8b706757e0731e955c.tar.xz linux-cef49102c1d6b1e7adcb3f8b706757e0731e955c.zip | |
regulator: adapt fixed regulator driver to dt
The fixed regulator driver uses of_get_fixed_voltage_config()
to extract fixed_voltage_config structure contents from device tree.
Also add documenation for additional bindings for fixed
regulators that can be passed through dt.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/fixed-regulator.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/fixed-regulator.txt b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt new file mode 100644 index 000000000000..9cf57fd042d2 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/fixed-regulator.txt @@ -0,0 +1,29 @@ +Fixed Voltage regulators + +Required properties: +- compatible: Must be "regulator-fixed"; + +Optional properties: +- gpio: gpio to use for enable control +- startup-delay-us: startup time in microseconds +- enable-active-high: Polarity of GPIO is Active high +If this property is missing, the default assumed is Active low. + +Any property defined as part of the core regulator +binding, defined in regulator.txt, can also be used. +However a fixed voltage regulator is expected to have the +regulator-min-microvolt and regulator-max-microvolt +to be the same. + +Example: + + abc: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "fixed-supply"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio1 16 0>; + startup-delay-us = <70000>; + enable-active-high; + regulator-boot-on + }; |